A21 foot beam is to be cut into three pieces so that the second and the third piece are each 3 times the length of the first piece if x represents the length of the shorter piece, find the lengths of all three pieces

Convert 16 yards to feet use the conversion rate 3 feet = 1 yard

Can someone answer this question? : )

This stem-and-leaf plot represents the heights of the students on ralph's basketball team. one student's height is missing from the plot. if the mean height of all the students on the team is 61 inches, what is the missing height? a. 55 in. b. 59 in. c. 61 in. d. 65 in.